12882729 has 8 divisors (see below), whose sum is σ = 17209440. Its totient is φ = 8572256.

The previous prime is 12882721. The next prime is 12882731. The reversal of 12882729 is 92728821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12882729 - 2³ = 12882721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12882721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (2151180).

Almost surely, 2^12882729 is an apocalyptic number.

It is an amenable number.

12882729 is a deficient number, since it is larger than the sum of its proper divisors (4326711).

12882729 is an equidigital number, since it uses as much as digits as its factorization.

12882729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119.

The product of its digits is 32256, while the sum is 39.

The square root of 12882729 is about 3589.2518719087. The cubic root of 12882729 is about 234.4242977546.

The spelling of 12882729 in words is "twelve million, eight hundred eighty-two thousand, seven hundred twenty-nine".